On the morning of April 5, a chlorine gas leakage accident occurred at a rural waste recycling station located at No. 60, Jiangsengqiao Area 1, Fengjiang Street, Luqiao District, Taizhou City, Zhejiang Province. After the emergency handling by the fire fighters of Zhejiang Luqiao, the accident scene has been properly dealt with.
At 8:13 in the morning, the Fire Brigade of Luqiao received an order from the 110 Command Center of the District Public Security Bureau: An unknown gas leakage occurred near a steel cylinder at No. 60, Jiangsengqiao Area 1, Fengjiang Street. The smell was pungent and more than 10 people had adverse reactions. The situation was urgent, requesting the Fire Brigade to go and handle it. After receiving the order, the brigade quickly dispatched 2 vehicles and 10 people with chemical protection equipment to rush to the scene.
From afar at the accident site, due to the effect of rain, a thin layer of white mist appeared above the steel cylinder, with a tendency to gradually thicken. The air was filled with a strong and pungent smell. After the initial inquiry to the surrounding crowd proved fruitless, the firefighters preliminarily determined that this might be a chlorine gas leakage accident, not a carbon monoxide leakage as villagers said. Chlorine gas is a toxic gas with intense irritancy. Inhaling a small amount of chlorine gas will cause irritation to the nasal and throat mucosa, leading to chest pain and coughing. Inhaling a large amount of chlorine gas can lead to poisoning and death. Although chlorine gas does not burn, it has flammability assistance properties, and when mixed with flammable gases under sunlight, it may explode. If chlorine gas continues to spread, it would cause great damage to the lives and property of the people, with unimaginable consequences.
The commander of the Fire Brigade contacted the safety supervision department while immediately issuing orders: dispatch a company officer leading a soldier wearing chemical protective clothing as a reconnaissance group, under the cover of water guns, slowly approach the leakage point for detailed on-site inspection; another group of personnel as the covering group use a spray water gun to dilute the air nearby and protect the reconnaissance group. Meanwhile, the police officers evacuated nearby people and maintained the order of the scene.
After the reconnaissance group conducted on-site inspections, they found: The leakage site was a rural waste recycling station, and the source of the leak was a steel cylinder about 1.5 meters long and 0.8 meters in diameter. A large amount of light yellow foam and gas were rapidly leaking from a thumb-sized hole in the damaged valve into the air. Due to the deformation of the valve after being struck, direct plugging was impossible. In order to minimize the rescue time and reduce the negative impact of the accident, the firefighters divided into two groups, one group as the plugging group knocking off the deformed valve and using on-site cut wooden wedges to start plugging the leak. The other group as the covering group diluted the air on the scene. Three minutes later, the source of the leak was finally successfully plugged. To ensure the sealing of the plug, the firefighters specially applied a layer of anti-leakage coating around the wooden wedge, and after more than ten minutes of on-site monitoring, confirmed that there would be no secondary leakage, and the plugging group then withdrew from the scene. The covering group continued to implement dilution on the scene, and after on-site monitoring for more than an hour, they ensured everything was fine before withdrawing from the scene.
At noon around 12 o'clock, the air quality test report from the District Safety Supervision Bureau confirmed the initial judgment of the fire rescue personnel. To prevent the treated chlorine gas tank from leaking again, causing secondary poisoning to nearby villagers, the Fire Brigade of Luqiao worked with the District Public Security Bureau, the District Safety Supervision Bureau, and the District Environmental Protection Bureau to discuss the destruction and treatment plan for the chlorine gas tank.
At the wastewater treatment plant, the staff of the wastewater treatment station and the firefighters poured a truckload of alkaline bagged powder that was urgently transported into the prepared treatment pool and stirred it evenly. Around 2 PM, the abandoned chlorine gas steel cylinder was safely transported under escort by the fire and public security departments to the sewage treatment station beside the eight-lane road in Jinqing, Luqiao. With the cooperation of the staff, four firefighters dressed in chemical protective clothing pushed the chlorine gas steel cylinder to the edge of the treatment pool. Just as the chlorine gas steel cylinder was about to fall into the treatment liquid, the wooden plug of the valve was successfully pulled out, allowing the chlorine gas steel cylinder to smoothly fall into the treatment liquid. The light yellow foam and gas emitted from the steel cylinder quickly underwent a chemical reaction with the treatment liquid, producing yellow odorless foam. To ensure effective treatment of the chlorine gas, the firefighters remained on site for over an hour, waiting until all the chlorine gas in the steel cylinder reacted completely with the treatment liquid before triumphantly returning despite their fatigue.
The cause of the chlorine gas leakage is still under further investigation. According to the onlookers, the biggest reason for the chlorine gas leakage from the abandoned steel cylinder might be someone trying to release the gas inside and sell the steel cylinder to the waste recycling station. The fire department reminds readers not to privately release gas from unidentified steel cylinders to avoid major accidents, and relevant departments and units should not dispose of hazardous steel cylinders without authorization.
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